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Unit 3 The Earth – Moon – Sun System

Review the vocabulary related to the periodic rise and fall of water levels, tides, axis rotation, orbital revolution, celestial bodies, and more in the Earth-Moon-Sun system.

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Unit 3 The Earth – Moon – Sun System

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  1. Unit 3The Earth – Moon – Sun System Vocabulary Review

  2. the periodic rise and fall of the water levels in the oceans and other large bodies of water tide

  3. the time required for Earth to rotate once on its axis day

  4. a tide of increased range that occurs two times a month, at the new and full moons spring tide

  5. the time required for Earth to orbit once around the sun year

  6. the point at which the sun is as far north or as far south of the equator as possible; the area of sunlight is at maximum in one hemisphere and at minimum in the other solstice

  7. the outer part of a shadow such as the shadow cast by the Earth or moon in sunlight is only partially blocked penumbra

  8. the force of attraction between two objects that is due to their masses gravity

  9. the motion of a body that travels around another body in space; one complete trip along an orbit revolution

  10. a natural or artificial body that revolves around a celestial body that is greater in mass satellite

  11. a tide of minimum range that occurs during the first and third quarters of the moon neap tide

  12. the moment when the sun appears to cross the celestial equator; sunlight shines equally on the northern and southern hemispheres equinox

  13. the difference in levels of ocean water at high and low tides tidal range

  14. an event in which the shadow of one celestial body falls on another eclipse

  15. the different appearances of the of the moon from Earth throughout the month lunar phase

  16. a division of the year that is characterized b recurring weather conditions and determined by both Earth’s tilt relative to the sun Earth’s position in its orbit around the sun season

  17. a shadow that blocks sunlight; such as the conical section in the shadow of Earth or the moon umbra

  18. the spin of a body on its axis rotation

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